> Publishers' series
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17:
Modern methods in the study of microbial ecology proceedings of a symposium ed.: Thomas Rosswall
[Wechselnde Erscheinungsorte]: [Wechselnde Verlage], 1968-1973
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16:
Ecosystem approach to the Baltic problem Bengt-Owe Jansson
[Wechselnde Erscheinungsorte]: [Wechselnde Verlage], 1968-1973
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8:
Impact of man on the Scandinavian landscape during the Late Post-Glacial Symposium on Öland, 11 - 12 June 1968 Swedish Natural Science Research Council. Ed. by Björn E. Berglund
[Wechselnde Erscheinungsorte]: [Wechselnde Verlage], 1968-1973